Convert femtometer to long reed
Please provide values below to convert femtometer [fm] to long reed [long reed], or Convert long reed to femtometer.
How to Convert Femtometer to Long Reed
1 fm = 3.12460942382202e-16 long reed
Example: convert 15 fm to long reed:
15 fm = 15 × 3.12460942382202e-16 long reed = 4.68691413573303e-15 long reed
Femtometer to Long Reed Conversion Table
| femtometer | long reed |
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Femtometer
A femtometer is a unit of length in the metric system equal to 10^-15 meters. It is also known as a fermi.
History/Origin
The prefix "femto-" for 10^-15 was adopted by the CGPM (General Conference on Weights and Measures) in 1964. The unit is also named after the physicist Enrico Fermi.
Current Use
The femtometer is primarily used in nuclear physics to measure the size of atomic nuclei.
Long Reed
The long reed is a unit of length mentioned in ancient texts, such as the Bible, and is thought to be about 10.5 feet.
History/Origin
The exact length of the long reed is uncertain and is subject to historical and scholarly debate.
Current Use
The long reed is an obsolete unit of measurement.